Severance and Exit Costs (Tables)

6 Months Ended

Sep. 30, 2015

Restructuring and Related Activities [Abstract]

Accrued severance and exit costs activity

Accrued severance and exit costs and changes in the accruals during the six months ended September 30, 2015 and 2014 were as follows:

(in millions)	Accrued Balance at March 31, 2015		Expense		Change in Estimate			Payments			Accretion and Other		Accrued Balance at September 30, 2015
Severance charges	$	28	$	—	$	(2	)	$	(21	)	$	—	$	5
Facility exit charges	21		—		—			(3		)	1		19
Total accrued liabilities	$	49											$	24

(in millions)	Accrued Balance at March 31, 2014		Expense		Change in Estimate			Payments			Accretion and Other			Accrued Balance at September 30, 2014
Severance charges	$	55	$	21	$	(1	)	$	(43	)	$	(2	)	$	30
Facility exit charges	29		—		—			(5		)	(1		)	23
Total accrued liabilities	$	84												$	53